CN104312433A - Electrolytic capacitor casing heat radiating coating containing graphene material - Google Patents

Abstract

An electrolytic capacitor casing heat radiating coating containing a graphene material is characterized by comprising the following components by weight: 30 parts of macroporous adsorption resin, 10 parts of silicon carbide, 5 parts of non crystal quartz particles, 2 parts of potassium feldspar, 5 parts of tert-butyl alcohol, 10 parts of graphene, 2 parts of boron fiber, 2 parts of carbon fiber, 2 parts of potassium tungstate, 5 parts of pigment, 50 parts of deionized water, 2 parts of lead tetraoxide, 3 parts of rare earth, 2 parts of chloroplatinic acid, 5 parts of modified corn starch and 0.5 part of cobalt selenide. According to the invention, the graphene mixed coating coats on the electrolytic capacitor shell to effectively achieve the heat radiation effect; the experimental data shows that the coating on the electrolytic capacitor shell can effectively guide the internal temperature of electrolytic capacitor increased by working to the shell and convert heat into infrared radiation wave. In addition to the enhancement of the service life of the electrolytic capacitor, the coating also can keep the work voltage of the electrolytic capacitor at a steady state.

Description

Chemical capacitor shell heat radiation coating containing grapheme material

Technical field

The present invention relates to heat radiation coating technical field, be specifically related to a kind of chemical capacitor shell heat radiation coating containing grapheme material.

Background technology

In social fast development, make various electric equipment products all towards miniaturization, lightweight, densification and high efficiency future development, so there is high-power electronic product obtain fast development, and consequent a large amount of heat does not distribute space will directly affect the job stability of electronic product, processing safety and work-ing life, the conventional type of cooling can not meet the cooling requirements of high power electronic product, so the rate of heat dissipation of electronic product just must be improved, and adopt at present maximum be coated heat radiation coating.

Heat radiation coating, by improving body surface radiation efficiency (particularly improving infrared radiation efficiency), augmented heat dispersion, there is cost low, implement simple, heat loss through radiation High tailored coating is directly constructed to the body surface wanting radiating and cooling, and heat loss through radiation High tailored coating can with infrared wave to the heat on airspace radiating object, reduce body surface and internal temperature, radiating and cooling is obvious.Coating heat radiation does not affect by surrounding medium, and coating heat radiation can use in vacuum environment.Coating, while playing radiation cooling, can also increase the performances such as self-cleaning, insulativity, preservative property, water-repellancy, antiacid alkali.

Current electrolysis capacitance shell is generally coated as outward appearance condition using PET, PET material is about 1 year general work-ing life, all easily break after 1 year, pulverize, and make produce heat energy in purposes with electrolytic capacitor product, if heat energy cannot have effect to separate Decision or diffusion, chemical capacitor can heat the premature aging life-span with temperature, because of temperature change under long term operation, electronic components power supply also can be caused unstable, cause certain harm.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of good heat dissipation effect, the chemical capacitor shell heat radiation coating containing grapheme material that price is low.

Technical problem to be solved by this invention realizes by the following technical solutions:

A chemical capacitor shell heat radiation coating containing grapheme material, is made up of the component of following mass fraction: macroporous adsorbent resin 30 parts, 10 parts, silicon carbide, noncrystal quartz particles 5 parts, potassium felspar sand 2 parts, the trimethyl carbinol 5 parts, Graphene 10 parts, boron fibre 2 parts, 2 parts, carbon fiber, potassium wolframate 2 parts, pigment 5 parts, deionized water 50 parts, tri-lead tetroxide 2 parts, rare earth 3 parts, Platinic chloride 2 parts, modified corn starch 5 parts, cobaltous selenide 0.5 part;

The preparation technology of above-mentioned heat radiation coating is:

1) take each starting material by said ratio, be dispersion medium by silicon carbide, noncrystal quartz particles, potassium felspar sand, tri-lead tetroxide, rare earth with dehydrated alcohol, wherein the mass ratio of material and ethanol is 1:20, ultrasonic disperse 1 hour on supersonic cleaning machine;

2) step 1) in put into nylon ball grinder through the compound of ultrasonic disperse, add macroporous adsorbent resin, Graphene, boron fibre, carbon fiber, potassium wolframate and cobaltous selenide again, take agate ball as abrading-ball, ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;

3) powder complete for ball milling is taken out, pour in powder dish, add pigment and modified corn starch, dry at 85-95 DEG C;

4) deionized water is heated to 50-60 degree Celsius, pours step 3 into) in dry after material mix thoroughly, leave standstill and add the trimethyl carbinol and Platinic chloride and material again after 30 minutes and mix thoroughly,

5) by step 4) in mix thoroughly after material send into ball mill grinding, about 4 hours, whether residual grains or caking are filtered in test;

6), after shutting down, No. 2, rock field cup test dilution 10 ± 1S standard is adopted;

7) pack.

Above-mentioned modified corn starch is made up of the component of following mass fraction: W-Gum 80 parts, hydroxypropyl-beta-cyclodextrin 5 parts, stearic acid 5 parts, alkaloid 3 parts, catechin 0.5 part, defoamer 0.5 part, polyester staple fiber 2 parts, sodium lignosulfonate 2 parts, emulsifying agent 2 parts, 1 part, oxidation inhibitor, 100 parts, water;

The preparation method of above-mentioned modified corn starch is as follows:

1) be placed in baking oven by W-Gum, toast at 120 DEG C of temperature, baking time is 40 seconds, and the thickness of W-Gum in baking oven is 1cm;

2) the corn dry starch after baking is cooled to normal temperature, then put into reach in freezer and close freezing 24 hours, freezing temp is-6 DEG C;

3) freezing complete after, the W-Gum freezed is put into stainless steel heating tank, and add hydroxypropyl-beta-cyclodextrin, stearic acid, alkaloid, catechin, defoamer, polyester staple fiber, sodium lignosulfonate, emulsifying agent, oxidation inhibitor and water, then stainless steel heating tank is closed;

4) heated raw material by stainless steel heating tank, heat while stirring, its stirring velocity controls at 120 revs/min, after being heated with stirring to 90 DEG C-165 DEG C, stops heating, and continues to stir 60-65 minute;

5) by the starch milk suction after heated and stirred on the freezing bed of stainless steel, to keep under 0 DEG C of-2 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make water molecules from starch, analyse drench out;

6) by step 5) in analyse drench water molecules after starch block be placed on 60 DEG C of drying in oven, make its moisture content within 10%, and cross 120 mesh sieves, must modified corn starch be become.

The invention has the beneficial effects as follows: after the present invention utilizes Graphene compo to coat chemical capacitor shell, can effectively reach heat loss through radiation effect, experimental data shows, the Inner portion temperature that chemical capacitor promotes because of work effectively effectively can be directed to shell by the coating coating chemical capacitor shell, and be heat wave by thermal transition, chemical capacitor operating voltage can also be made to reach steady state except strengthening the work-ing life of chemical capacitor.

Embodiment

The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.

Embodiment 1

A chemical capacitor shell heat radiation coating containing grapheme material, is made up of the component of following weight: macroporous adsorbent resin 30 kilograms, 10 kilograms, silicon carbide, noncrystal quartz particles 5 kilograms, potassium felspar sand 2 kilograms, the trimethyl carbinol 5 kilograms, Graphene 10 kilograms, boron fibre 2 kilograms, 2 kilograms, carbon fiber, potassium wolframate 2 kilograms, pigment 5 kilograms, deionized water 50 kilograms, tri-lead tetroxide 2 kilograms, rare earth 3 kilograms, Platinic chloride 2 kilograms, modified corn starch 5 kilograms, cobaltous selenide (II) 0.5 kilogram;

The preparation technology of above-mentioned heat radiation coating is:

1) take each starting material by said ratio, be dispersion medium by silicon carbide, noncrystal quartz particles, potassium felspar sand, tri-lead tetroxide, rare earth with dehydrated alcohol, wherein the mass ratio of material and ethanol is 1:20, ultrasonic disperse 1 hour on supersonic cleaning machine;

2) step 1) in put into nylon ball grinder through the compound of ultrasonic disperse, add macroporous adsorbent resin, Graphene, boron fibre, carbon fiber, potassium wolframate and cobaltous selenide again, take agate ball as abrading-ball, ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;

3) powder complete for ball milling is taken out, pour in powder dish, add pigment and modified corn starch, dry at 85-95 DEG C;

4) deionized water is heated to 50-60 degree Celsius, pours step 3 into) in dry after material mix thoroughly, leave standstill and add the trimethyl carbinol and Platinic chloride and material again after 30 minutes and mix thoroughly,

5) by step 4) in mix thoroughly after material send into ball mill grinding, about 4 hours, whether residual grains or caking are filtered in test;

6), after shutting down, No. 2, rock field cup test dilution 10 ± 1S standard is adopted;

7) pack.

Above-mentioned modified corn starch is made up of the component of following weight: W-Gum 80 kilograms, hydroxypropyl-beta-cyclodextrin 5 kilograms, stearic acid 5 kilograms, alkaloid 3 kilograms, catechin 0.5 kilogram, defoamer 0.5 kilogram, polyester staple fiber 2 kilograms, sodium lignosulfonate 2 kilograms, emulsifying agent 2 kilograms, 1 kilogram, oxidation inhibitor, 100 kilograms, water;

The preparation method of above-mentioned modified corn starch is as follows:

1) be placed in baking oven by W-Gum, toast at 120 DEG C of temperature, baking time is 40 seconds, and the thickness of W-Gum in baking oven is 1cm;

2) the corn dry starch after baking is cooled to normal temperature, then put into reach in freezer and close freezing 24 hours, freezing temp is-6 DEG C;

3) freezing complete after, the W-Gum freezed is put into stainless steel heating tank, and add hydroxypropyl-beta-cyclodextrin, stearic acid, alkaloid, catechin, defoamer, polyester staple fiber, sodium lignosulfonate, emulsifying agent, oxidation inhibitor and water, then stainless steel heating tank is closed;

4) heated raw material by stainless steel heating tank, heat while stirring, its stirring velocity controls at 120 revs/min, after being heated with stirring to 90 DEG C-165 DEG C, stops heating, and continues to stir 60-65 minute;

5) by the starch milk suction after heated and stirred on the freezing bed of stainless steel, to keep under 0 DEG C of-2 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make water molecules from starch, analyse drench out;

6) by step 5) in analyse drench water molecules after starch block be placed on 60 DEG C of drying in oven, make its moisture content within 10%, and cross 120 mesh sieves, must modified corn starch be become.

My company utilizes the present embodiment coatings can effectively reach heat loss through radiation effect after chemical capacitor shell, because itself does not possess electroconductibility, therefore then can effectively avoid for components and parts electrical shock hazard, experimental data shows, see the following form, the internal temperature that chemical capacitor promotes because of work effectively effectively can be directed to shell by the coating coating chemical capacitor shell, and be heat wave by thermal transition, chemical capacitor operating voltage can also be made to reach steady-state conditions except strengthening the work-ing life of chemical capacitor;

Experimental center temperature is lower than standard substance core temperature 6.2 DEG C.

More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (4)

1. the chemical capacitor shell heat radiation coating containing grapheme material, it is characterized in that, be made up of the component of following mass fraction: macroporous adsorbent resin 30 parts, 10 parts, silicon carbide, noncrystal quartz particles 5 parts, potassium felspar sand 2 parts, the trimethyl carbinol 5 parts, Graphene 10 parts, boron fibre 2 parts, 2 parts, carbon fiber, potassium wolframate 2 parts, pigment 5 parts, deionized water 50 parts, tri-lead tetroxide 2 parts, rare earth 3 parts, Platinic chloride 2 parts, modified corn starch 5 parts, cobaltous selenide 0.5 part.

2. prepare a method for the chemical capacitor shell heat radiation coating containing grapheme material described in claim 1, it is characterized in that, step is as follows:

1) take each starting material by said ratio, be dispersion medium by silicon carbide, noncrystal quartz particles, potassium felspar sand, tri-lead tetroxide, rare earth with dehydrated alcohol, wherein the mass ratio of material and ethanol is 1:20, ultrasonic disperse 1 hour on supersonic cleaning machine;

2) step 1) in put into nylon ball grinder through the compound of ultrasonic disperse, add macroporous adsorbent resin, Graphene, boron fibre, carbon fiber, potassium wolframate and cobaltous selenide again, take agate ball as abrading-ball, ball material mass ratio is 7:1, be under the condition of 150 revs/min at rotating speed, continuous ball milling 4 hours;

3) powder complete for ball milling is taken out, pour in powder dish, add pigment and modified corn starch, dry at 85-95 DEG C;

4) deionized water is heated to 50-60 degree Celsius, pours step 3 into) in dry after material mix thoroughly, leave standstill and add the trimethyl carbinol and Platinic chloride and material again after 30 minutes and mix thoroughly,

5) by step 4) in mix thoroughly after material send into ball mill grinding 4 hours, whether residual grains or caking are filtered in test;

6), after shutting down, No. 2, rock field cup test dilution 10 ± 1S standard is adopted;

7) pack.

3. the chemical capacitor shell heat radiation coating containing grapheme material according to claim 1, it is characterized in that, above-mentioned modified corn starch is made up of the component of following mass fraction: W-Gum 80 parts, hydroxypropyl-beta-cyclodextrin 5 parts, stearic acid 5 parts, alkaloid 3 parts, catechin 0.5 part, defoamer 0.5 part, polyester staple fiber 2 parts, sodium lignosulfonate 2 parts, emulsifying agent 2 parts, 1 part, oxidation inhibitor, 100 parts, water.

4. the chemical capacitor shell heat radiation coating containing grapheme material according to claim 3, it is characterized in that, the preparation method of above-mentioned modified corn starch is as follows:

1) be placed in baking oven by W-Gum, toast at 120 DEG C of temperature, baking time is 40 seconds, and the thickness of W-Gum in baking oven is 1cm;

2) the corn dry starch after baking is cooled to normal temperature, then put into reach in freezer and close freezing 24 hours, freezing temp is-6 DEG C;

3) freezing complete after, the W-Gum freezed is put into stainless steel heating tank, and add hydroxypropyl-beta-cyclodextrin, stearic acid, alkaloid, catechin, defoamer, polyester staple fiber, sodium lignosulfonate, emulsifying agent, oxidation inhibitor and water, then stainless steel heating tank is closed;

4) heated raw material by stainless steel heating tank, heat while stirring, its stirring velocity controls at 120 revs/min, after being heated with stirring to 90 DEG C-165 DEG C, stops heating, and continues to stir 60-65 minute;

5) by the starch milk suction after heated and stirred on the freezing bed of stainless steel, to keep under 0 DEG C of-2 DEG C of condition refrigeration 24 hours, make its crystallization retrogradation, make water molecules from starch, analyse drench out;

6) by step 5) in analyse drench water molecules after starch block be placed on 60 DEG C of drying in oven, make its moisture content within 10%, and cross 120 mesh sieves, must modified corn starch be become.